Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
React meets Nashorn #jjug_ccc #ccc_l8 /react-me...
Search
Manabu Matsuzaki
December 03, 2016
Technology
1
950
React meets Nashorn #jjug_ccc #ccc_l8 /react-meets-nashorn-jjug-ccc-2016-fall
JJUG CCC 2016 Fall で発表したスライドです
Manabu Matsuzaki
December 03, 2016
Tweet
Share
More Decks by Manabu Matsuzaki
See All by Manabu Matsuzaki
Spring BootユーザのためのArmeria入門 #jsug / Introduce to Armeria for Spring users
matsumana
0
2.9k
Canary Release with Argo Rollouts #ふくばねてす / canary-release-with-argo-rollouts
matsumana
1
1.2k
Getting started Central Dogma with Golang #fukuokago #umedago / getting-started-central-dogma-with-golang
matsumana
0
900
Micrometer入門 #javaq / introduce-to-micrometer
matsumana
1
2.9k
ArmeriaとCentral Dogmaから学ぶ、マイクロサービスに必要な機能 #edayfuk / lean-from-armeria-and-central-dogma
matsumana
0
4.4k
SREcon19 Americas 参加レポート #srefukuoka / srecon19-americas-report
matsumana
0
890
SRE入門 & チームで取り組んでいるSRE #srefukuoka / introduce-to-sre
matsumana
0
1.3k
Introduce to Armeria and Central Dogma #GWD_Nulab / introduce-to-armeria-and-central-dogma
matsumana
0
570
Connector/JでMaster/Slave Replication構成のMySQLに接続する #mysql_casual_fukuoka /connector-j-master-slave-replication
matsumana
0
1.5k
Other Decks in Technology
See All in Technology
AI時代、“平均値”ではいられない
uhyo
8
2.5k
会社を支える Pythonという言語戦略 ~なぜPythonを主要言語にしているのか?~
curekoshimizu
3
660
[VPoE Global Summit] サービスレベル目標による信頼性への投資最適化
satos
0
240
だいたい分かった気になる 『SREの知識地図』 / introduction-to-sre-knowledge-map-book
katsuhisa91
PRO
3
1.4k
[2025年10月版] Databricks Data + AI Boot Camp
databricksjapan
1
260
Dify on AWS 環境構築手順
yosse95ai
0
120
ストレージエンジニアの仕事と、近年の計算機について / 第58回 情報科学若手の会
pfn
PRO
3
790
Observability — Extending Into Incident Response
nari_ex
1
240
serverless team topology
_kensh
3
230
クラウドとリアルの融合により、製造業はどう変わるのか?〜クラスメソッドの製造業への取組と共に〜
hamadakoji
0
420
AIエージェントによる業務効率化への飽くなき挑戦-AWS上の実開発事例から学んだ効果、現実そしてギャップ-
nasuvitz
2
880
オブザーバビリティと育てた ID管理・認証認可基盤の歩み / The Journey of an ID Management, Authentication, and Authorization Platform Nurtured with Observability
kaminashi
1
620
Featured
See All Featured
[RailsConf 2023] Rails as a piece of cake
palkan
57
5.9k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
48
9.7k
Optimizing for Happiness
mojombo
379
70k
Bash Introduction
62gerente
615
210k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
333
22k
GraphQLとの向き合い方2022年版
quramy
49
14k
Building Applications with DynamoDB
mza
96
6.7k
What's in a price? How to price your products and services
michaelherold
246
12k
Become a Pro
speakerdeck
PRO
29
5.6k
Code Reviewing Like a Champion
maltzj
526
40k
Building a Scalable Design System with Sketch
lauravandoore
463
33k
Embracing the Ebb and Flow
colly
88
4.9k
Transcript
React meets Nashorn JJUG CCC 2016 Fall 2016/12/03 @matsumana
ࣗݾհ • ໊લɿ দ࡚ ֶ • ॴଐɿ LINE Fukuokaגࣜձࣾ ։ൃࢧԉνʔϜ
• Twitterɿ @matsumana
ΞδΣϯμ • NashornͱReactͷ؆୯ͳհ • αʔόαΠυϨϯμϦϯάͷϝϦοτ • NashornͰReactΛಈ͔͢ʹ • NashornͰReactΛαʔόαΠυϨϯμϦ ϯάͯ͠ૺ۰ͨ͠
“αʔόαΠυϨϯμϦϯά” ͍ͷͰ Ҏ߱”SSR”ͱදه͠·͢
Nashornʹ͍ͭͯ
• Java8ʹಉࠝ͞Ε͍ͯΔJavaScriptΤϯδϯ (Java7·ͰRhinoͩͬͨ) • Java8ͷNashornͰ ECMA-262 Edition 5.1 ४ڌ •
Java9ͰES6ରԠ
https://blogs.oracle.com/wlc/entry/javaee_c117 ΑΓൈਮ • JavaScriptΛɺ͍ͬͨΜAST/IRʢநߏจ ʗதؒදݱʣͱ͍͏தؒੜʹม͠ɺͦ ͔͜ΒASMΛͬͯJavaόΠτίʔυΛੜ ͢Δ (JavaScript͕JavaόΠτίʔυʹͳΔ) • ͕ͨͬͯ͠ɺJavaScript͕ωΠςΟϒʹJVM্
Ͱಈ࡞͢ΔɻύϑΥʔϚϯεʹࢧো͕ͳ͍
JDK™ 9 Early Access Releases ͷNashornͰES6Λ ࢼ͢ࣄ͕ग़དྷ·͢ • JDK™ 9
Early Access Releases https://jdk9.java.net/download/ • JEP 292 http://openjdk.java.net/jeps/292
$ jjs -h jjs [<options>] <files> [-- <arguments>] … ུ
… --language (Specify ECMAScript language version.) param: [es5|es6] default: es5 … ུ … JDK™ 9 Early Access Releases Build 146Ͱࢼͯ͠ΈΔ
$ jjs --language=es6 jjs> let hello = (name) => 'Hello,
' + name; jjs> hello('World!'); Hello, World!
jjs> class Greet { ...> constructor(v) { ...> this.v =
v; ...> } ...> hello() { ...> return this.v; ...> } ...> } java.lang.RuntimeException: <shell>:1:0 ES6 class declarations and expressions are not yet implemented class Greet { ^
·ͩES6ͷશߏจ ͑ͳ͍
ࠓޙͷES6ରԠʹ͍ͭͯ • JavaOne 2016ͰʮWhat’s New in JDK 9?ʯ ͱ͍͏ηογϣϯ͕͋Γ·ͨ͠ ެ։͞ΕͨεϥΠυʹΑΔͱɺ
"Follow ups in minor releases"ͱͷࣄ https://oracle.rainfocus.com/scripts/ catalog/oow16.jsp? event=javaone&search=nashorn&showEnr olled=false&search.event=javaone
Reactʹ͍ͭͯ
ެࣜνϡʔτϦΞϧΑΓൈਮ React is a declarative, efficient, and flexible JavaScript library
for building user interfaces. (ReactϢʔβʔΠϯλʔϑΣΠεΛߏங͢ ΔͨΊͷએݴతͰޮతͰॊೈͳJavaScript ϥΠϒϥϦͰ͢)
ެࣜνϡʔτϦΞϧΑΓൈਮ
SSRͷϝϦοτ
• ॳճͷϖʔδද͕͍ࣔɺ ද͕ࣔνϥͭ͘ͱ͍͏͕ղܾͰ͖Δ • αʔόʔαΠυͱϑϩϯτΤϯυͰ ಉ͡ίʔυΛڞ༗Ͱ͖Δ (Universal JavaScript) ※ҎલIsomorphic JavaScriptͱݺΕ͍ͯͨ
NashornͰReactΛ ಈ͔͢ʹ
• Springͩͱ؆୯ʹग़དྷΔ Spring Framework 4.2ͰScript Templating ͱ͍͏ػೳ͕Ճ͞Ε͍ͯΔ https://spring.io/blog/2016/03/15/ springone2gx-2015-replay-isomorphic- templating-with-spring-boot-nashorn-and-
react
• ϒϥβͷJavaScriptڥʹଘࡏ͢Δ͕ Nashornʹଘࡏ͠ͳ͍ͷ͕͋ΔͷͰ ػೳͷ݀ΛຒΊΔඞཁ͕͋Δ(polyfill) • windowΦϒδΣΫτͳͲ
• Java8ͷNashornES5͔͠αϙʔτͯ͠ ͳ͍ͷͰES5Ͱॻ͔͘ ES6Ͱॻ͍ͯBabelͰτϥϯεύΠϧ͢Δ
• Java࠷৽όʔδϣϯΛ͏ • Java 8u66ͰҎԼͷ͕fix͞Ε͍ͯΔ • Nashorn react.js benchmark performance
regression http://www.oracle.com/technetwork/java/ javase/2col/8u66-bugfixes-2692105.html http://bugs.java.com/view_bug.do? bug_id=8134403
ૺ۰ͨ͠
ૺ۰ͨ͠ • NashornͷॳظԽॲཧ͕͍ ͳ͍ͥͷ͔ʁ
1. ReactεϨουηʔϑͰͳ͍ͷͰɺ NashornͷΠϯελϯεΛ ThreadLocalʹอ࣋͢Δඞཁ͕͋Δ (Spring͕ThreadLocalʹอ͍࣋ͯ͠Δ) ૺ۰ͨ͠
2. JavaScriptιʔε͔ΒASTΛੜͯ͠ JavaόΠτίʔυੜͱ͍͏ॲཧ͕ APαʔόͷεϨουຖʹߦΘΕΔ ૺ۰ͨ͠
3. Nashorn͕ॳظԽ͞Εͯͳ͍εϨουͰ HTTPϦΫΤετ͕ॲཧ͞ΕΔʹ ॳظԽॲཧ͕ߦΘΕΔ ૺ۰ͨ͠
ૺ۰ͨ͠ • ϫʔΫΞϥϯυ • ։ൃ࣌APαʔόͷεϨουΛݮΒ͢ • ຊ൪ͰΞϓϦىಈޙͷΥʔϜΞοϓ ॲཧΛݕ౼͢Δ
ͦͷଞ ؾΛ͚ͭΔࣄ • componentWillMountʹϑϩϯτΤϯυͰ͠ ͔ಈ࡞͠ͳ͍ίʔυΛॻ͍͍͚ͯͳ͍ componentWillMountSSRͰݺΕΔ͕ componentDidMountݺΕͳ͍ͱ͍͏ࣄ Λҙࣝͯ͠ίʔυΛॻ͘ඞཁ͕͋Δ
·ͱΊ • NashornͷॳظԽॲཧ͕͍ (ϫʔΫΞϥϯυ͋Δ) • αʔόαΠυͱϑϩϯτΤϯυͷ྆ํͰ ಈ͘ReactΞϓϦΛॻ͘ͷ͍͠ • SSR͕ඞཁ͔Α͘ݕ౼ͨ͠ํ͕ྑ͍
ϦϯΫू • Java SE 8ͷ৽JavaScriptΤϯδϯʮNashornʯ͕࣮ݱ͢Δ࣍ੈͷ “JavaScript in Java”ڥ • JEP
292 • What’s New in JDK 9? • Tutorial: Intro To React • SpringOne2GX 2015 replay: Isomorphic templating with Spring Boot, Nashorn and React • JDK 8u66 Bug Fixes • JDK-8134403 : Nashorn react.js benchmark performance regression • αϯϓϧιʔε